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78 lines
2.0 KiB
78 lines
2.0 KiB
import logging
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from .commands.base import Command, ItemizedCommand, Template
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from .commands.centos import CENTOS_MAPPINGS
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from .commands.ubuntu import UBUNTU_MAPPINGS
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log = logging.getLogger(__name__)
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def command_exists(mappings, name):
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"""Indicates whether a given command exists in this overlay.
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:param mappings: A dictionary of command names and command functions.
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:type mappings: dict
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:param name: The name of the command.
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:type name: str
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:rtype: bool
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"""
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return name in mappings
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def command_factory(loader, profile):
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commands = list()
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number = 1
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for command_name, args, kwargs in loader.commands:
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command = get_command(command_name, profile, *args, **kwargs)
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if command is not None:
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command.number = number
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commands.append(command)
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number += 1
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return commands
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def get_command(name, profile, *args, **kwargs):
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"""Get a command instance.
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:param name: The name of the command.
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:type name: str
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:param profile: The operating system profile name.
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:type profile: str
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args and kwargs are passed to the command function.
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:rtype: scripttease.lib.commands.base.Command | scripttease.lib.commands.base.ItemizedCommand |
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scripttease.lib.commands.base.Template
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"""
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if profile == "centos":
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mappings = CENTOS_MAPPINGS
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elif profile == "ubuntu":
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mappings = UBUNTU_MAPPINGS
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else:
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log.error("Unsupported or unrecognized profile: %s" % profile)
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return None
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_args = list(args)
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if name == "template":
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source = _args.pop(0)
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target = _args.pop(0)
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return Template(source, target, **kwargs)
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if not command_exists(mappings, name):
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log.warning("Command does not exist: %s" % name)
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return None
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callback = mappings[name]
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if "items" in kwargs:
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items = kwargs.pop("items")
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return ItemizedCommand(callback, items, *args, **kwargs)
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return callback(*args, **kwargs)
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